package com.mall.web.controller.admin;

import com.mall.common.core.controller.BaseController;
import com.mall.common.core.domain.AjaxResult;
import com.mall.common.utils.ServletUtils;
import com.mall.common.utils.StringUtils;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * 登录验证
 *
 * Created by zhonglin on 2020/4/8.
 */
@Controller
public class SysLoginController
    extends BaseController {

  @GetMapping("/admin/login")
  public String login(HttpServletRequest request,
                      HttpServletResponse response) {
    // 如果是Ajax请求，返回Json字符串。
    if (ServletUtils.isAjaxRequest(request)) {
      return ServletUtils.renderString(response, "{\"code\":\"1\",\"msg\":\"未登录或登录超时。请重新登录\"}");
    }

    return "admin/login";
  }

  @PostMapping("/admin/login")
  @ResponseBody
  public AjaxResult ajaxLogin(String username,
                              String password,
                              Boolean rememberMe) {

    UsernamePasswordToken token   = new UsernamePasswordToken(username, password, rememberMe);
    Subject               subject = SecurityUtils.getSubject();
    try {
      subject.login(token);
      return success();
    } catch (AuthenticationException e) {
      String msg = "用户或密码错误";
      if (StringUtils.isNotEmpty(e.getMessage())) {
        msg = e.getMessage();
      }
      return error(msg);
    }
  }

  @GetMapping("/admin/unauth")
  public String unauth() {

    return "error/unauth";
  }

}
